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Commit 7fd4828f authored by Igor M Liplianin's avatar Igor M Liplianin Committed by Mauro Carvalho Chehab
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V4L/DVB (8421): Adds support for Dvbworld DVB-S 2102 USB card 



Signed-off-by: default avatarIgor M Liplianin <liplianin@me.by>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent e272ae08

drivers/media/dvb/dvb-usb/Kconfig

+8 −0
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@@ -246,6 +246,14 @@ config DVB_USB_AF9005_REMOTE 
	  Say Y here to support the default remote control decoding for the

	  Afatech AF9005 based receiver.



config DVB_USB_DW2102

	tristate "DvbWorld 2102 DVB-S USB2.0 receiver"

	depends on DVB_USB

	select DVB_STV0299 if !DVB_FE_CUSTOMISE

	select DVB_PLL if !DVB_FE_CUSTOMISE

	help

	   Say Y here to support the DvbWorld 2102 DVB-S USB2.0 receiver.



config DVB_USB_ANYSEE

	tristate "Anysee DVB-T/C USB2.0 support"

	depends on DVB_USB

drivers/media/dvb/dvb-usb/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -64,6 +64,9 @@ obj-$(CONFIG_DVB_USB_AF9005_REMOTE) += dvb-usb-af9005-remote.o 
dvb-usb-anysee-objs = anysee.o

obj-$(CONFIG_DVB_USB_ANYSEE) += dvb-usb-anysee.o



dvb-usb-dw2102-objs = dw2102.o

obj-$(CONFIG_DVB_USB_DW2102) += dvb-usb-dw2102.o



EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/

# due to tuner-xc3028

EXTRA_CFLAGS += -Idrivers/media/common/tuners

drivers/media/dvb/dvb-usb/dvb-usb-ids.h

+1 −0
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@@ -204,5 +204,6 @@ 
#define USB_PID_ASUS_U3000				0x171f

#define USB_PID_ASUS_U3100				0x173f

#define USB_PID_YUAN_EC372S				0x1edc

#define USB_PID_DW2102					0x2102



#endif

drivers/media/dvb/dvb-usb/dw2102.c

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+425 −0
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/* DVB USB framework compliant Linux driver for the DVBWorld DVB-S 2102 Card

*

* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)

*

*	This program is free software; you can redistribute it and/or modify it

*	under the terms of the GNU General Public License as published by the

*	Free Software Foundation, version 2.

*

* see Documentation/dvb/README.dvb-usb for more information

*/

#include <linux/version.h>

#include "dw2102.h"

#include "stv0299.h"

#include "z0194a.h"



#ifndef USB_PID_DW2102

#define USB_PID_DW2102 0x2102

#endif



#define DW2102_READ_MSG 0

#define DW2102_WRITE_MSG 1



#define REG_1F_SYMBOLRATE_BYTE0 0x1f

#define REG_20_SYMBOLRATE_BYTE1 0x20

#define REG_21_SYMBOLRATE_BYTE2 0x21



#define DW2102_VOLTAGE_CTRL (0x1800)

#define DW2102_RC_QUERY (0x1a00)



struct dw2102_state {

	u32 last_key_pressed;

};

struct dw2102_rc_keys {

	u32 keycode;

	u32 event;

};



DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);



static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value,

		u8 *data, u16 len, int flags)

{

	int ret;

	u8 u8buf[len];



	unsigned int pipe = (flags == DW2102_READ_MSG) ?

		usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);

	u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;



	if (flags == DW2102_WRITE_MSG)

		memcpy(u8buf, data, len);

	ret = usb_control_msg(dev, pipe, request,

		request_type | USB_TYPE_VENDOR, value, 0 , u8buf, len, 2000);



	if (flags == DW2102_READ_MSG)

		memcpy(data, u8buf, len);

	return ret;

}



/* I2C */



static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],

		int num)

{

struct dvb_usb_device *d = i2c_get_adapdata(adap);

	int i = 0, ret = 0;

	u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};

	u8 request;

	u16 value;



	if (!d)

		return -ENODEV;

	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)

		return -EAGAIN;



	switch (num) {

	case 2:

		/* read stv0299 register */

		request = 0xb5;

		value = msg[0].buf[0];/* register */

		for (i = 0; i < msg[1].len; i++) {

			value = value + i;

			ret = dw2102_op_rw(d->udev, 0xb5,

				value, buf6, 2, DW2102_READ_MSG);

			msg[1].buf[i] = buf6[0];



		}

		break;

	case 1:

		switch (msg[0].addr) {

		case 0x68:

			/* write to stv0299 register */

			buf6[0] = 0x2a;

			buf6[1] = msg[0].buf[0];

			buf6[2] = msg[0].buf[1];

			ret = dw2102_op_rw(d->udev, 0xb2,

				0, buf6, 3, DW2102_WRITE_MSG);

			break;

		case 0x60:

			if (msg[0].flags == 0) {

			/* write to tuner pll */

				buf6[0] = 0x2c;

				buf6[1] = 5;

				buf6[2] = 0xc0;

				buf6[3] = msg[0].buf[0];

				buf6[4] = msg[0].buf[1];

				buf6[5] = msg[0].buf[2];

				buf6[6] = msg[0].buf[3];

				ret = dw2102_op_rw(d->udev, 0xb2,

				0, buf6, 7, DW2102_WRITE_MSG);

			} else {

			/* write to tuner pll */

				ret = dw2102_op_rw(d->udev, 0xb5,

				0, buf6, 1, DW2102_READ_MSG);

				msg[0].buf[0] = buf6[0];

			}

			break;

		case (DW2102_RC_QUERY):

			ret  = dw2102_op_rw(d->udev, 0xb8,

				0, buf6, 2, DW2102_READ_MSG);

			msg[0].buf[0] = buf6[0];

			msg[0].buf[1] = buf6[1];

			break;

		case (DW2102_VOLTAGE_CTRL):

			buf6[0] = 0x30;

			buf6[1] = msg[0].buf[0];

			ret = dw2102_op_rw(d->udev, 0xb2,

				0, buf6, 2, DW2102_WRITE_MSG);

			break;

		}



		break;

	}



	mutex_unlock(&d->i2c_mutex);

	return num;

}



static u32 dw2102_i2c_func(struct i2c_adapter *adapter)

{

	return I2C_FUNC_I2C;

}



static struct i2c_algorithm dw2102_i2c_algo = {

	.master_xfer = dw2102_i2c_transfer,

	.functionality = dw2102_i2c_func,

};



static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)

{

	static u8 command_13v[1] = {0x00};

	static u8 command_18v[1] = {0x01};

	struct i2c_msg msg[] = {

		{.addr = DW2102_VOLTAGE_CTRL, .flags = 0,

			.buf = command_13v, .len = 1},

	};



	struct dvb_usb_adapter *udev_adap =

		(struct dvb_usb_adapter *)(fe->dvb->priv);

	if (voltage == SEC_VOLTAGE_18)

		msg[0].buf = command_18v;

	i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);

	return 0;

}



static int dw2102_frontend_attach(struct dvb_usb_adapter *d)

{

	d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,

		&d->dev->i2c_adap);

	if (d->fe != NULL) {

		d->fe->ops.set_voltage = dw2102_set_voltage;

		info("Attached stv0299!\n");

		return 0;

	}

	return -EIO;

}



static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)

{

	dvb_attach(dvb_pll_attach, adap->fe, 0x60,

		&adap->dev->i2c_adap, DVB_PLL_OPERA1);

	return 0;

}



static struct dvb_usb_rc_key dw2102_rc_keys[] = {

	{ 0xf8,	0x0a, KEY_Q },		/*power*/

	{ 0xf8,	0x0c, KEY_M },		/*mute*/

	{ 0xf8,	0x11, KEY_1 },

	{ 0xf8,	0x12, KEY_2 },

	{ 0xf8,	0x13, KEY_3 },

	{ 0xf8,	0x14, KEY_4 },

	{ 0xf8,	0x15, KEY_5 },

	{ 0xf8,	0x16, KEY_6 },

	{ 0xf8,	0x17, KEY_7 },

	{ 0xf8,	0x18, KEY_8 },

	{ 0xf8,	0x19, KEY_9 },

	{ 0xf8, 0x10, KEY_0 },

	{ 0xf8, 0x1c, KEY_PAGEUP },	/*ch+*/

	{ 0xf8, 0x0f, KEY_PAGEDOWN },	/*ch-*/

	{ 0xf8, 0x1a, KEY_O },		/*vol+*/

	{ 0xf8, 0x0e, KEY_Z },		/*vol-*/

	{ 0xf8, 0x04, KEY_R },		/*rec*/

	{ 0xf8, 0x09, KEY_D },		/*fav*/

	{ 0xf8, 0x08, KEY_BACKSPACE },	/*rewind*/

	{ 0xf8, 0x07, KEY_A },		/*fast*/

	{ 0xf8, 0x0b, KEY_P },		/*pause*/

	{ 0xf8, 0x02, KEY_ESC },	/*cancel*/

	{ 0xf8, 0x03, KEY_G },		/*tab*/

	{ 0xf8, 0x00, KEY_UP },		/*up*/

	{ 0xf8, 0x1f, KEY_ENTER },	/*ok*/

	{ 0xf8, 0x01, KEY_DOWN },	/*down*/

	{ 0xf8, 0x05, KEY_C },		/*cap*/

	{ 0xf8, 0x06, KEY_S },		/*stop*/

	{ 0xf8, 0x40, KEY_F },		/*full*/

	{ 0xf8, 0x1e, KEY_W },		/*tvmode*/

	{ 0xf8, 0x1b, KEY_B },		/*recall*/



};







static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state)

{

	struct dw2102_state *st = d->priv;

	u8 key[2];

	struct i2c_msg msg[] = {

		{.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,

		.len = 2},

	};

	int i;



	*state = REMOTE_NO_KEY_PRESSED;

	if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {

		for (i = 0; i < ARRAY_SIZE(dw2102_rc_keys); i++) {

			if (dw2102_rc_keys[i].data == msg[0].buf[0]) {

				*state = REMOTE_KEY_PRESSED;

				*event = dw2102_rc_keys[i].event;

				st->last_key_pressed =

					dw2102_rc_keys[i].event;

				break;

			}

		st->last_key_pressed = 0;

		}

	}

	/* info("key: %x %x\n",key[0],key[1]); */

	return 0;

}



static struct usb_device_id dw2102_table[] = {

	{USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},

	{USB_DEVICE(USB_VID_CYPRESS, 0x2101)},

	{ }

};



MODULE_DEVICE_TABLE(usb, dw2102_table);



static int dw2102_load_firmware(struct usb_device *dev,

			const struct firmware *frmwr)

{

	u8 *b, *p;

	int ret = 0, i;

	u8 reset;

	u8 reset16 [] = {0, 0, 0, 0, 0, 0, 0};

	const struct firmware *fw;

	const char *filename = "dvb-usb-dw2101.fw";

	switch (dev->descriptor.idProduct) {

	case 0x2101:

		ret = request_firmware(&fw, filename, &dev->dev);

		if (ret != 0) {

			err("did not find the firmware file. (%s) "

			"Please see linux/Documentation/dvb/ for more details "

			"on firmware-problems.", filename);

			return ret;

		}

		break;

	case USB_PID_DW2102:

		fw = frmwr;

		break;

	}

	info("start downloading DW2102 firmware");

	p = kmalloc(fw->size, GFP_KERNEL);

	reset = 1;

	/*stop the CPU*/

	dw2102_op_rw(dev, 0xa0, 0x7f92, &reset, 1, DW2102_WRITE_MSG);

	dw2102_op_rw(dev, 0xa0, 0xe600, &reset, 1, DW2102_WRITE_MSG);



	if (p != NULL) {

		memcpy(p, fw->data, fw->size);

		for (i = 0; i < fw->size; i += 0x40) {

			b = (u8 *) p + i;

			if (dw2102_op_rw

				(dev, 0xa0, i, b , 0x40,

					DW2102_WRITE_MSG) != 0x40

				) {

				err("error while transferring firmware");

				ret = -EINVAL;

				break;

			}

		}

		/* restart the CPU */

		reset = 0;

		if (ret || dw2102_op_rw

			(dev, 0xa0, 0x7f92, &reset, 1,

			DW2102_WRITE_MSG) != 1) {

			err("could not restart the USB controller CPU.");

			ret = -EINVAL;

		}

		if (ret || dw2102_op_rw

			(dev, 0xa0, 0xe600, &reset, 1,

			DW2102_WRITE_MSG) != 1) {

			err("could not restart the USB controller CPU.");

			ret = -EINVAL;

		}

		/* init registers */

		switch (dev->descriptor.idProduct) {

		case USB_PID_DW2102:

			dw2102_op_rw

				(dev, 0xbf, 0x0040, &reset, 0,

				DW2102_WRITE_MSG);

			dw2102_op_rw

				(dev, 0xb9, 0x0000, &reset16[0], 2,

				DW2102_READ_MSG);

			break;

		case 0x2101:

			dw2102_op_rw

				(dev, 0xbc, 0x0030, &reset16[0], 2,

				DW2102_READ_MSG);

			dw2102_op_rw

				(dev, 0xba, 0x0000, &reset16[0], 7,

				DW2102_READ_MSG);

			dw2102_op_rw

				(dev, 0xba, 0x0000, &reset16[0], 7,

				DW2102_READ_MSG);

			dw2102_op_rw

				(dev, 0xb9, 0x0000, &reset16[0], 2,

				DW2102_READ_MSG);

			break;

		}

		kfree(p);

	}

	return ret;

}



static struct dvb_usb_device_properties dw2102_properties = {

	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = DEVICE_SPECIFIC,

	.firmware = "dvb-usb-dw2102.fw",

	.size_of_priv = sizeof(struct dw2102_state),

	.no_reconnect = 1,



	.i2c_algo = &dw2102_i2c_algo,

	.rc_key_map = dw2102_rc_keys,

	.rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys),

	.rc_interval = 150,

	.rc_query = dw2102_rc_query,



	.generic_bulk_ctrl_endpoint = 0x81,

	/* parameter for the MPEG2-data transfer */

	.num_adapters = 1,

	.download_firmware = dw2102_load_firmware,

	.adapter = {

		{

			.frontend_attach = dw2102_frontend_attach,

			.streaming_ctrl = NULL,

			.tuner_attach = dw2102_tuner_attach,

			.stream = {

				.type = USB_BULK,

				.count = 8,

				.endpoint = 0x82,

				.u = {

					.bulk = {

						.buffersize = 4096,

					}

				}

			},

		}

	},

	.num_device_descs = 2,

	.devices = {

		{"DVBWorld DVB-S 2102 USB2.0",

			{&dw2102_table[0], NULL},

			{NULL},

		},

		{"DVBWorld DVB-S 2101 USB2.0",

			{&dw2102_table[1], NULL},

			{NULL},

		},

	}

};



static int dw2102_probe(struct usb_interface *intf,

		const struct usb_device_id *id)

{

	return dvb_usb_device_init(intf, &dw2102_properties,

		THIS_MODULE, NULL, adapter_nr);

}



static struct usb_driver dw2102_driver = {

	.name = "dw2102",

	.probe = dw2102_probe,

	.disconnect = dvb_usb_device_exit,

	.id_table = dw2102_table,

};



static int __init dw2102_module_init(void)

{

	int ret =  usb_register(&dw2102_driver);

	if (ret)

		err("usb_register failed. Error number %d", ret);



	return ret;

}



static void __exit dw2102_module_exit(void)

{

	usb_deregister(&dw2102_driver);

}



module_init(dw2102_module_init);

module_exit(dw2102_module_exit);



MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");

MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101 2102 USB2.0 device");

MODULE_VERSION("0.1");

MODULE_LICENSE("GPL");

drivers/media/dvb/dvb-usb/dw2102.h

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#ifndef _DW2102_H_

#define _DW2102_H_



#define DVB_USB_LOG_PREFIX "dw2102"

#include <dvb-usb.h>



extern int dvb_usb_dw2102_debug;

#define deb_xfer(args...) dprintk(dvb_usb_dw2102_debug, 0x02, args)

#endif